#400A2D

Closest named color: Dark Plum (#3F012C). oklch(25.9% 0.092 345.7), rgb(64, 10, 45).

Aa

White text reads best on this color (16.16:1).

About this color

#400A2D is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.092 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.017 away. White text reads best on it, at 16.16:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.092)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.29:1
White text16.16:1

Values

HEX#400A2D
RGBrgb(64, 10, 45)
HSLhsl(321, 73%, 15%)
OKLCHoklch(25.9% 0.092 345.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #400A2D 16.16:1 AAA Lc -105.1 Preferred for body text
Black text on #400A2D 1.29:1 Fails Lc 0.0 Not readable
#400A2D text on white 16.16:1 AAA Lc 102.5 Preferred for body text
#400A2D text on black 1.29:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #FBE2EE

    oklch(93.6% 0.031 347.1)

  3. Step 200

    200

    #F8CAE2

    oklch(88.6% 0.06 345.7)

  4. Step 300

    300

    #F4A4D0

    oklch(80.9% 0.109 345.7)

  5. Step 400

    400

    #EA6EB8

    oklch(70.7% 0.174 345.6)

  6. Step 500

    500

    #DF3CA6

    oklch(63% 0.222 345.5)

  7. Step 600

    600

    #C90090

    oklch(55.6% 0.236 345.8)

  8. Step 700

    700

    #AA0079

    oklch(49.1% 0.208 345.9)

  9. Step 800

    800

    #8C0064

    oklch(42.6% 0.181 345.4)

  10. Step 900

    900

    #721152

    oklch(37.7% 0.145 345.5)

  11. Step 950

    950 (this color)

    #400A2D

    oklch(25.9% 0.092 345.7)

Export this scale for Tailwind in the Tailwind colors tool

#400A2D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#111B2E0.102
Deuteranopia (no green cones)#21242C0.089
Tritanopia (no blue cones)#45091A0.038
Achromatopsia (no color)#2121210.092

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #400A2D

    #400A2D

    oklch(25.9% 0.092 345.7)

  • #002C1D

    #002C1D

    oklch(26% 0.055 164.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #400A2D

    #400A2D

    oklch(25.9% 0.092 345.7)

  • #341141

    #341141

    oklch(25.9% 0.092 315.6)

  • #460714

    #460714

    oklch(25.9% 0.092 15.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #400A2D

    #400A2D

    oklch(25.9% 0.092 345.7)

  • #112B00

    #112B00

    oklch(25.8% 0.076 135.4)

  • #002A2A

    #002A2A

    oklch(25.8% 0.044 194.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #400A2D

    #400A2D

    oklch(25.9% 0.092 345.7)

  • #272500

    #272500

    oklch(25.8% 0.055 106.6)

  • #002836

    #002836

    oklch(25.8% 0.05 226.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #400A2D

    #400A2D

    oklch(25.9% 0.092 345.7)

  • #331F00

    #331F00

    oklch(25.9% 0.055 74.4)

  • #002C1D

    #002C1D

    oklch(26% 0.055 164.7)

  • #00224C

    #00224C

    oklch(25.8% 0.087 255.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #400A2D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #400A2D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.